Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/node_modules/mediasoup/worker/src/RTC/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#define MS_CLASS "RTC::TrendCalculator"
// #define MS_LOG_DEV_LEVEL 3

#include "RTC/TrendCalculator.hpp"
#include "Logger.hpp"

namespace RTC
{
	TrendCalculator::TrendCalculator(float decreaseFactor) : decreaseFactor(decreaseFactor)
	{
		MS_TRACE();
	}

	void TrendCalculator::Update(uint32_t value, uint64_t nowMs)
	{
		MS_TRACE();

		if (this->value == 0u)
		{
			this->value                   = value;
			this->highestValue            = value;
			this->highestValueUpdatedAtMs = nowMs;

			return;
		}

		// If new value is bigger or equal than current one, use it.
		if (value >= this->value)
		{
			this->value                   = value;
			this->highestValue            = value;
			this->highestValueUpdatedAtMs = nowMs;
		}
		// Otherwise decrease current value.
		else
		{
			uint64_t elapsedMs = nowMs - this->highestValueUpdatedAtMs;
			auto subtraction =
			  static_cast<uint32_t>(this->highestValue * this->decreaseFactor * (elapsedMs / 1000.0));

			this->value = std::max<uint32_t>(
			  value, this->highestValue > subtraction ? (this->highestValue - subtraction) : value);
		}
	}

	void TrendCalculator::ForceUpdate(uint32_t value, uint64_t nowMs)
	{
		MS_TRACE();

		this->value                   = value;
		this->highestValue            = value;
		this->highestValueUpdatedAtMs = nowMs;
	}
} // namespace RTC